100
Figure 30: 3296 EZMAG casing
Impeller replacement
This table shows the criteria for replacing the impeller:
Impeller parts
When to replace
Vane edges
When you see cracks, pitting, or corrosion damage
Wear ring surfaces When the clearance to the casing wear ring has increased by 50% over the values in the Mini-
mum running clearances table
Gaskets, O-rings, and seats replacement
WARNING:
Risk of death or serious injury. Leaking fluid can cause fire and/or burns. Replace all gaskets
and O-rings at each overhaul or disassembly.
Frame adapter
•
Check the frame adapter (108) for cracks or excessive corrosion damage. Replace if any of these
conditions exist.
•
Make sure that the gasket surface is clean.
Silicon carbide bearings, bearing cartridge
Inspect the bearings (849) for cracks, chips, or excessive wear. Replace the cartridge if any of these con-
ditions exist.
Containment shell
•
Make sure that the wall thickness of the containment shell (750) is a minimum of 0.991 mm | 0.039
in.
•
Make sure that the containment shell is free from pitting or cracks.
•
Replace the containment shell if there are any grooves in excess of 0.127 mm | 0.005 in.
6.4 Pre-assembly inspections
Model 3296 EZMAG Installation, Operation, and Maintenance Manual
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